RT Journal Article
T1 Superficial oscillation as an identifier of phenomena governing dynamics of solid-gas fluidized systems
A1 Guardiola, J.
A1 Elvira, R.
A1 Villa Briongos, Javier
AB The evolution of the volume of a fluidized bed solid–gas over time is measured by the oscillation of its surface. It is assumed that the system is governed by the pressure gradient between the plenum and the surface; the latter is considered as the reference.The surface oscillation is measured with a laterally located CCD video camera such that it monitors the flattest portion of the surface and records its coordinates. Simultaneously obtain all the phenomena that regulate the hydrodynamics of the bed, the entering bubbles, coalesce, split, increase their volume adiabatically, and explode on the surface. The gas flow and the weight of fluidized material are studied. The time series of the surface oscillation is analysed in the frequency domain and the phase space. The frequencies obtained are approximately between 0.6 Hz and 1.8 Hz. The entropy values behaves linearly proportional to the total number of bubbles.
PB Elsevier
SN 0032-5910
YR 2020
FD 2020-02-15
LK https://hdl.handle.net/10016/32883
UL https://hdl.handle.net/10016/32883
LA eng
DS e-Archivo
RD 1 sept. 2024